Black Silicon Carbide Sic

Black Silicon Carbide (SiC) – The Superior Abrasive for Demanding Applications

Black silicon carbide is a high-performance synthetic material produced through the high-temperature smelting of quartz sand and petroleum coke in an electric resistance furnace. Known for its exceptional hardness-second only to diamond-it exhibits a unique combination of brittleness, sharpness, and remarkable thermal and electrical conductivity. These properties make it an indispensable material across various industrial applications, including abrasive blasting, precision grinding, surface polishing, and specialized machining.

Key Characteristics

Extreme Hardness & Durability: With a hardness approaching that of diamond, black SiC excels in cutting, grinding, and abrasive tasks, outperforming many conventional abrasives.

High Thermal Conductivity & Stability: Its ability to withstand high temperatures while maintaining structural integrity makes it ideal for refractory materials and high-heat applications.

Superior Wear Resistance: The material's toughness surpasses that of green silicon carbide, making it particularly effective for processing low-tensile-strength materials such as glass, ceramics, stone, cast iron, and non-ferrous metals.

Low Thermal Expansion: Ensures dimensional stability under thermal stress, critical for precision applications.

Chemical Inertness: Resists corrosion and degradation, ensuring long-lasting performance in harsh environments.

Industrial Applications

Black silicon carbide is widely utilized in:

Abrasive Tools: Cutting wheels, sandpaper, and grinding discs for metalworking and surface preparation.

Refractory & Foundry: High-temperature linings, fireproof aggregates, and casting molds due to its thermal stability.

Surface Treatment: Effective in rust removal, polishing, and anti-slip flooring applications.

Specialized Machining: Preferred for processing brittle materials like ceramics and glass, where precision and minimal material damage are crucial.

 

 

Brand	Fanchuang
Product description	black silicon carbide
Product apperance	powder or granular
Grit	24#-1500#
Moh's hardness	≥9.3
Microhardness	2840-3320kg/mm2
Melting point	2700℃
SiC	≥98.5%
Fe2O3	≤0.15%
F.C.	≤0.17%
Color	black
Packing	25kg/bag

 

 

 

Hot Tags: black silicon carbide sic, China black silicon carbide sic manufacturers, suppliers, roll grains, stainless metal ring, white fused alumina oxide, calcium sulphate whisker, potassium aluminium fluoride, tinplate metal ring